Common Laboratory Equipment
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| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer | Original Equipment Manufacturer (OEM) |
| Type | Domestic Industrial-Grade Rotary Evaporator |
| Model | R-1020EX |
| Capacity | 20 L |
| Ultimate Vacuum | ≤100 Pa (with compatible vacuum pump) |
| Rotational Speed Range | 20–130 rpm |
| Temperature Control Range | Ambient +5°C to 95°C |
| Temperature Accuracy | ±1.5°C |
| Heating Power | 6000 W |
| Total Rated Power | 6300 W |
| Condenser Surface Area | Primary: 0.948 m², Secondary: 0.458 m² |
| Bath Material | SUS304 Stainless Steel (Φ450 × 260 mm) |
| Rotation Motor Power | 180 W |
| Drive Type | Frequency-Controlled Variable-Speed Motor |
| Condenser Design | Vertical Dual-Stage (Primary + Secondary), Triple-Reflex Tubular |
| Flask Neck Diameter | Φ125 mm (ISO-KF 125 flange) |
| Collection Flask Volume | 10 L |
| Lift Mechanism | Manual, 0–190 mm Stroke |
| Sealing Technology | Dual-Seal System (PTFE + FKM-PTFE Composite Gasket) |
| Discharge Valve Core | PTFE |
| Evaporation Rate (Typical) | Water: 5 L/h |
| Ethanol | 14.3 L/h |
| Safety Protections | Overcurrent, Ground Fault, Overtemperature |
| Ambient Operating Conditions | 5–35°C, RH ≤65% |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Dimensions (mm) | Main Unit: 1195 W × 740 D × 2040 H |
| Explosion-Proof Control Cabinet | 500 W × 455 D × 985 H |
| Weight | Main Unit: 115 kg |
| Control Cabinet | 58 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | R-1020EX |
| Capacity | 20 L |
| Ultimate Vacuum | 0.098 MPa (98 kPa) |
| Rotational Speed Range | 20–130 rpm |
| Temperature Control Range | Ambient +5°C to 95°C |
| Temperature Control Accuracy | ±1.5°C |
| Condenser Surface Area | Main Condenser 0.948 m² |
| Heating Power | 6000 W |
| Total Rated Power | 6300 W |
| Vacuum System Pressure Rise Rate | ≤2 kPa/h |
| Rotation Motor Power | 180 W |
| Condenser Type | Vertical Dual-Stage (Main + Auxiliary), Triple-Reflex Design |
| Rotary Flask | 20.0 L, Flange Diameter Φ125 mm |
| Collection Flask | 10 L |
| Bath Material | SUS304 Stainless Steel (Φ450 mm × 260 mm) |
| Lift Mechanism | Manual, Stroke 0–190 mm |
| Sealing Technology | PTFE + Fluorinated Rubber Dual-Seal |
| Discharge Valve Core | PTFE |
| Evaporation Rate | Water 5 L/h |
| Safety Protections | Overcurrent, Ground Fault, Overtemperature |
| Operating Ambient | 5–35°C, RH ≤65% |
| Mobility | Lockable Casters |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Dimensions (mm) | Main Unit 1195 W × 740 D × 2040 H |
| Weight | Main Unit 115 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | R-1020EX |
| Capacity | 20 L |
| Ultimate Vacuum | 0.098 MPa (98 kPa) |
| Rotational Speed Range | 20–130 rpm |
| Temperature Control Range | Ambient +5°C to 95°C |
| Temperature Accuracy | ±1.5°C |
| Condensing Area | Main Condenser 0.948 m² |
| Heating Power | 6000 W |
| Total Rated Power | 6300 W |
| Vacuum System Pressure Rise Rate | ≤2 kPa/h |
| Rotation Motor Power | 180 W |
| Condenser Type | Vertical dual-stage (main + auxiliary), triple-reflux design |
| Flask Diameter (Flange) | Φ125 mm |
| Collection Flask Volume | 10 L |
| Bath Material | SUS304 stainless steel (Φ450 × 260 mm) |
| Manual Lift Stroke | 0–190 mm |
| Sealing Technology | PTFE + FKM double-seal |
| Discharge Valve Core | PTFE |
| Evaporation Rate | 5 L/h (water), 14.3 L/h (ethanol) |
| Safety Protections | Overcurrent, Ground Fault, Overtemperature |
| Operating Ambient | 5–35°C, ≤65% RH |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Dimensions (mm) | Main Unit 1195W × 740D × 2040H |
| Weight | Main Unit 115 kg |
| [Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Model | R-1050 |
| Capacity | 50 L |
| Ultimate Vacuum | 399.9 Pa |
| Rotation Speed | 10–110 rpm |
| Bath Temperature Range | Ambient to 99 °C |
| Temperature Control Accuracy | ±1 °C |
| Condenser Surface Area | Primary 0.91 m² + Secondary 0.52 m² |
| Power Supply | 3-phase, 380 V / 50 Hz |
| Total Power Consumption | 6.3 kW |
| Dimensions (W×D×H) | 1345 × 770 × 2230 mm |
| Net Weight | ~180 kg] |
| [Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | R-1050 |
| Rotating Flask Capacity | 50 L |
| Rotation Speed Range | 20–110 rpm |
| Bath Temperature Range | +5 °C to 95 °C (above ambient) |
| Temperature Control Accuracy | ±1.5 °C (nominal) |
| Condensing Area | Main Condenser ≈ 1.15 m², Auxiliary Condenser ≈ 0.4 m² |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Total Power Consumption | 6300 W |
| Protection Class | IP20 |
| Pollution Degree | 2 |
| Max. Evaporation Rate (Water) | 9 L/h |
| Sealing Leakage Rate | ≤ 0.03 kPa/min |
| Bath Material | 06Cr19Ni10 (AISI 304 stainless steel) |
| Glass Material | DIN 7080 / ISO 3585 borosilicate glass 3.3 |
| Sealing System | Dual PTFE + fluororubber gaskets |
| Quick-Release Flange Connections | Yes |
| Motor Type | DC stepless speed control |
| Heating Element Power | 6000 W |
| Bath Dimensions | Φ550 mm × 320 mm |
| Overall Dimensions (with glassware) | 1345 W × 770 D × 2230 H mm |
| Net Weight (with glass) | 140 kg] |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer | The Great Wall Scientific Industrial & Trading Co., Ltd. |
| Model | R-1050 |
| Capacity | 50 L |
| Rotation Speed | 20–110 rpm |
| Bath Temperature Range | +5 °C to 95 °C (ambient referenced) |
| Temperature Control Accuracy | ±1.5 °C |
| Condensing Area | Main Condenser 1.15 m² |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Total Power Consumption | 6300 W |
| Rotating Motor Power | 250 W |
| Heating Power | 6000 W |
| Max. Water Evaporation Rate | 9 L/h |
| Sealing Leakage Rate | ≤0.03 kPa/min |
| Bath Material | 06Cr19Ni10 Stainless Steel (Φ550 × 320 mm) |
| Glassware | DIN/ISO-compliant borosilicate 3.3 glass |
| PTFE Valve | Yes |
| Quick-Release Flange Connection | Yes |
| IP Rating | IP20 |
| Pollution Degree | 2 |
| Dimensions (with glassware) | 1345 W × 770 D × 2230 H mm |
| Installed Footprint (min.) | 1445 W × 870 D × 2280 H mm |
| Weight (with glass) | 140 kg |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH, ≤2000 m altitude |
| Key | Brand: Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | R-1050 |
| Rotating Flask Capacity | 50 L |
| Rotation Speed Range | 20–110 rpm |
| Bath Temperature Range | +5 °C to 95 °C (above ambient) |
| Temperature Control Accuracy | ±1.5 °C |
| Primary Condenser Area | ~1.15 m² |
| Secondary Condenser Area | ~0.4 m² |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Total Power Consumption | 6300 W |
| Overall Dimensions (with glassware) | 1345 W × 770 D × 2230 H mm |
| Net Weight (with glassware) | 140 kg |
| IP Rating | IP20 |
| Pollution Degree | 2 |
| Max. Evaporation Rate (water) | 9 L/h |
| Sealing Leakage Rate | ≤0.03 kPa/min |
| Material of Glass Components | ASTM E438 Type I, Class A borosilicate 3.3 |
| Sealing Material | Dual-layer PTFE + fluororubber O-rings |
| Bath Vessel Material | AISI 304 stainless steel (06Cr19Ni10) |
| Enclosure Material | Electrostatically coated cold-rolled steel |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | R-1050EX |
| Capacity | 50 L |
| Ultimate Vacuum | ≤2 kPa/h (down to 100 Pa with compatible vacuum pump) |
| Rotational Speed Range | 20–110 rpm |
| Temperature Control Range | Ambient +5°C to 95°C |
| Temperature Control Accuracy | ±1.5°C |
| Heating Power | 6000 W |
| Total Rated Power | 6300 W |
| Condenser Surface Area | Primary: 1.150 m² |
| Secondary | 0.607 m² |
| Bath Material | SUS304 stainless steel (Φ550 × 320 mm) |
| Rotating Flask | 50 L, flange diameter Φ125 mm |
| Collection Flask | 20 L |
| Lift Stroke | 0–180 mm, manual |
| Sealing Technology | Dual-seal with PTFE and FKM-PTFE composite |
| Evaporation Rate (water) | ~9.0 L/h |
| (ethanol) | ~24.5 L/h |
| Protection Functions | Overcurrent, ground-fault, and overtemperature protection |
| Ambient Operating Conditions | 5–35°C, ≤65% RH |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Dimensions (mm) | Main unit: 1345 W × 770 D × 2230 H |
| Explosion-proof control cabinet | 500 W × 455 D × 985 H |
| Weight | Main unit: 200 kg |
| Control cabinet | 58 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | R-2020EX |
| Capacity | 20 L |
| Ultimate Vacuum | ≤2 kPa/h |
| Rotational Speed Range | 20–130 rpm |
| Temperature Control Range | Ambient +5°C to 95°C |
| Temperature Control Accuracy | ±1.5°C |
| Condensing Area | Main Condenser 0.948 m² |
| Heating Power | 4000 W |
| Total Rated Power | 4500 W |
| Rotation Motor Power | 370 W |
| Bath Material | SUS304 Stainless Steel (Φ450 × 260 mm) |
| Bath Lift | Electric, 0–160 mm Stroke |
| Sealing Technology | Dual-Seal System (PTFE + Fluorinated Rubber) |
| Explosion Protection Rating | Exd II BT4 |
| Enclosure IP Rating | IP65 |
| Safety Features | Overcurrent, Ground Fault, Overtemperature, and Liquid-Level Protection |
| Communication Interface | RS458 with MODBUS RTU Protocol |
| Dimensions (W×D×H) | 1210 × 740 × 2080 mm |
| Mobility | Lockable Casters |
| Display | LCD Control Panel |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | R-2020EX |
| Capacity | 20 L |
| Rotation Speed | 20–130 rpm |
| Bath Temperature Range | Ambient +5 °C to 95 °C |
| Temperature Control Accuracy | ±1.5 °C |
| Explosion Protection Mark | Ex db IIB T4 Gb |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Overall Dimensions (W×D×H, with glassware) | 1210 × 740 × 2040 mm |
| Net Weight (with glassware) | 190 kg |
| Condenser Surface Area | Main: 0.948 m² |
| Auxiliary | 0.358 m² |
| Max Evaporation Rate (water) | 5 L/h |
| Rotating Flask | 20,000 mL, ISO-KF φ125 flange |
| Collection Flask | 10,000 mL, ISO-KF 60# flange |
| Bath Material | 06Cr19Ni10 stainless steel (φ450 × 260 mm) |
| Glass Material | DIN 3.3 borosilicate glass |
| Sealing Leakage Rate | ≤0.03 kPa/min |
| Motor Power | 370 W |
| Total Rated Power | 4500 W |
| Protection Class | IP20 |
| Pollution Degree | 2 |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH, ≤2000 m altitude |
| [Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Model | R-2050EX |
| Capacity | 50 L |
| Ultimate Vacuum | ≤2 kPa/h |
| Rotation Speed | 20–110 rpm |
| Temperature Range | Ambient +5 to 95 °C |
| Temperature Control Accuracy | ±1.5 °C |
| Condensing Area | Main Condenser 1.15 m², Auxiliary Condenser 0.4 m² |
| Heating Power | 6000 W |
| Total Rated Power | 6500 W |
| Motor Power | 370 W |
| Lift Stroke | 0–170 mm |
| Explosion Protection Rating | Ex d II BT4 |
| IP Rating (Electrical Cabinet) | IP65 |
| Communication Protocol | RS485 / MODBUS RTU |
| Material | Borosilicate Glass 3.3 (DIN ISO 3585), SUS304 Bath, PTFE Seals & Valve Core |
| Dimensions (W×D×H) | 1360 × 770 × 2250 mm] |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic |
| Model | R-2050EX |
| Capacity | 50 L |
| Ultimate Vacuum | ≤2 kPa/h |
| Rotation Speed | 20–110 rpm |
| Temperature Control Range | Ambient +5°C to 95°C |
| Temperature Control Accuracy | ±1.5°C |
| Condensing Area | Main Condenser 1.15 m² |
| Heating Power | 6000 W |
| Total Rated Power | 6500 W |
| Motor Power | 370 W |
| Lift Stroke | 0–170 mm |
| Bath Material | SUS304 Stainless Steel (Φ560 × 340 mm) |
| Explosion Protection Mark | Ex d II BT4 |
| Enclosure Rating | IP65 |
| Communication Protocol | RS485 / MODBUS RTU |
| Safety Features | Overcurrent, Ground Fault, Overtemperature, Liquid-Level Protection |
| Mobility | Lockable Casters |
| Display | LCD Control Panel |
| Sealing Technology | Dual-Seal System (PTFE + Fluoroelastomer) |
| Feed Valve Material | PTFE |
| Evaporation Rate (Water) | ~9.0 L/h |
| Evaporation Rate (Ethanol) | ~24.5 L/h |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | R-2050Ex |
| Rotating Flask Capacity | 50 L |
| Ultimate Vacuum | 2 kPa/h |
| Rotation Speed Range | 20–110 rpm |
| Bath Temperature Range | +5 to 95 °C |
| Temperature Control Accuracy | ±1.5 °C |
| Total Condensing Area | 1.15 m² (Main Condenser) + 0.4 m² (Auxiliary Condenser) |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Overall Dimensions (with glassware) | 1360 W × 770 D × 2250 H mm |
| Net Weight (with glass) | 270 kg |
| IP Rating | IP20 |
| Pollution Degree | 2 |
| Max. Evaporation Rate (Water) | 9 L/h |
| Sealing Leakage Rate | ≤0.03 kPa/min |
| Motor Power | 370 W |
| Total Power Consumption | 6500 W |
| Bath Material | 06Cr19Ni10 Stainless Steel (AISI 304 Equivalent) |
| Glass Material | DIN 3.3 Borosilicate Glass (e.g., Pyrex®-equivalent) |
| Sealing System | Dual PTFE + Fluoroelastomer Gaskets |
| Rotation Drive | DC Stepless Speed Control |
| Display | LCD for Real-Time Temperature & RPM Monitoring |
| Safety Features | Liquid-Level Protection, Dry-Burn Prevention, Electrically Actuated Bath Lift, Brake-Fitted Casters, Ex d b IIB T4 Gb Certified Explosion Protection |
| [Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer | The Great Wall Scientific Industrial & Trading Co., Ltd. |
| Model | R-2050EX |
| Capacity | 50 L |
| Ultimate Vacuum | ≤2 kPa/h |
| Rotation Speed | 20–110 rpm |
| Temperature Range | Ambient +5°C to 95°C |
| Temperature Control Accuracy | ±1.5°C |
| Condensing Area | Main Condenser 1.15 m², Auxiliary Condenser 0.4 m² |
| Heating Power | 6000 W |
| Total Rated Power | 6500 W |
| Motor Power | 370 W |
| Lift Stroke | 0–170 mm |
| Explosion Protection Mark | Ex d II BT4 |
| Enclosure Rating | IP65 |
| Communication Protocol | RS485 / MODBUS RTU] |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer | The Great Wall Scientific Industrial & Trading Co., Ltd. |
| Model | R-3001 |
| Collection Flask Capacity | 1000 mL |
| Rotation Speed Range | 10–280 rpm |
| Temperature Control Range | Ambient +5°C to 95°C |
| Condenser Cooling Area | 0.126 m² |
| Lift Stroke | 150 mm |
| Sealing Leakage Rate | ≤ 0.33 kPa/min |
| Motor Power | 40 W |
| Evaporation Rate (Water) | 23 mL/min |
| Dual Seal | PTFE-modified + Fluoroelastomer |
| Certified | CE (TUV) |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | R-3001 |
| Capacity | 1 L |
| Rotational Speed | 10–280 rpm |
| Temperature Control Range | Ambient +5°C to 95°C |
| Condensing Area | 0.126 m² |
| Sealing Leakage Rate | ≤0.33 kPa/min |
| Motor Power | 40 W |
| Lift Stroke | 150 mm |
| Condenser Type | High-Efficiency Dual-Return Coil Condenser |
| Vacuum Seal | PTFE (modified) + Fluoroelastomer Dual-Seal Ring |
| Evaporation Rate (Water) | 23 mL/min |
| Protection | Overcurrent & Short-Circuit Protection |
| Ambient Operating Temperature | 5–40°C |
| Relative Humidity | ≤70% RH |
| Power Supply | 110 V~, 60 Hz or 220–240 V~, 50/60 Hz |
| Dimensions (W×D×H) | 620 × 400 × 700/850 mm |
| Weight | 10 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | R-3001 |
| Rotating Flask Capacity | 500 mL or 1000 mL |
| Rotation Speed | 10–280 rpm |
| Temperature Control Range | Ambient +5 °C to 95 °C |
| Temperature Control Accuracy | ±1 °C |
| Condenser Cooling Area | 0.126 m² |
| Sealing Leakage Rate | ≤ 0.33 kPa/min |
| Motor Power | 40 W |
| Lift Stroke | 150 mm |
| Condenser Type | High-Efficiency Dual-Return Coil Condenser |
| Collection Flask Capacity | 1000 mL |
| Vacuum Seal | PTFE (modified) + Fluoroelastomer Dual-Seal |
| Evaporation Rate (Water) | 23 mL/min |
| Protection Functions | Overcurrent & Short-Circuit Protection |
| Operating Ambient Temperature | 5–40 °C |
| Relative Humidity | ≤70% |
| Power Supply | 110 V~, 60 Hz or 220–240 V~, 50/60 Hz |
| Dimensions (W×D×H) | 620 × 400 × 700 mm (850 mm with lift extended) |
| Weight | 10 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Vertical |
| Temperature Setting Accuracy | ±1.5 °C |
| Bath Volume | 1 L |
| Circulating Medium | Ethanol |
| Sealing System | Dual-Seal (PTFE + FKM) |
| Rotation Speed Control | Digital LCD Interface with Knob |
| Lifting Stroke | 150 mm |
| Lift Mechanism | Motorized |
| Bath Angle Adjustment Range | 15°–45° |
| Condenser Type | Double-Coil Spiral |
| Heating Method | Bottom-Mounted Hidden Heater (Electric, Immersion-Free) |
| Bath–Heater Isolation | Yes |
| Optional Accessory | Insulating Bath Cover |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | R1020 |
| Capacity | 20 L |
| Temperature Control Range | Ambient +5°C to 95°C |
| Temperature Control Accuracy | ±1.5°C |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Product Type | Oil-Free Circulating Water Vacuum Pump |
| Model | SHB-B95A |
| Vacuum Degree | −0.098 MPa (absolute) |
| Flow Rate | 100 L/min |
| Single-Port Flow Rate | 10 L/min |
| Number of Vacuum Ports | 5 |
| Water Tank Capacity | 57 L |
| Tank Material | PVC |
| Pump Body & Impeller Material | Stainless Steel (SUS Standard) |
| Ejector Material | Brass |
| Fittings (Tee, Check Valve, Nozzle) | Polypropylene (PP) |
| Motor | ODM-Supplied Specialized Motor with Fluoroelastomer Seals |
| Power | 550 W |
| Voltage/Frequency | 220 V / 50 Hz |
| Max. Lift Head | 12 m |
| Safety Feature | Integrated Backflow Prevention Valve |
| Dimensions (L×W×H) | 450 × 350 × 820 mm |
| Weight | 36 kg |
| Housing Material | 304 Stainless Steel |
| Casters | Equipped for Mobility |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Circulating Water Vacuum Pump |
| Product Type | Oil-Free Vacuum Pump |
| Ultimate Vacuum | 0.098 MPa (20 mbar) |
| Single-Head Pumping Rate | 10 L/min |
| Motor Power | 180 W |
| Weight | 9.5 kg |
| Water Circulation Flow Rate | 7 L/min |
| Pump Flow Rate | 80 L/min |
| Water Tank Capacity | 15 L |
| Max Lift Head | 10 m |
| Operating Temperature Range | 5–35 °C |
| Relative Humidity Limit | ≤70% |
| IP Rating | IP20 |
| Pollution Degree | Class 2 |
| Dimensions (W×D×H) | 385 × 280 × 420 mm |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SHB-III |
| Instrument Category | Circulating Water Vacuum Pump |
| Product Type | Oil-Free Vacuum Pump |
| Single-Head Pumping Rate | 10 L/min |
| Ultimate Vacuum | 0.098 MPa (20 mbar) |
| External Dimensions | 385 W × 280 D × 420 H mm |
| Weight | 9.5 kg |
| Motor Power | 180 W |
| Power Supply | 220–240 V, 50 Hz |
| Water Tank Capacity | 15 L |
| Operating Temperature Range | 5–35 °C |
| Max. Relative Humidity | ≤70% |
| IP Rating | IP20 |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SHB-III / IIIA / IIIS / IIG |
| Instrument Type | Circulating Water Vacuum Pump |
| Product Type | Oil-Free Vacuum Pump |
| Maximum Vacuum Degree | 0.098 MPa (20 mbar) |
| External Dimensions | 385 W × 280 D × 420 H mm |
| Weight | 9.5 kg |
| Power | 180 W |
| Supply Voltage | 220 V~, 50 Hz |
| Circulating Water Flow Rate | 7 L/min |
| Pump Air Flow Rate | 80 L/min |
| Single-Head Suction Rate | 10 L/min |
| Circulating Water Head | 10 m |
| Water Tank Capacity | 15 L |
| Operating Temperature Range | 5–35 °C |
| Relative Humidity Limit | ≤70% |
| IP Rating | IP20 |
| Pollution Degree | Class 2 |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Circulating Water Vacuum Pump |
| Model | SHB-IIIG |
| Pump Type | Oil-Free |
| Single-Head Evacuation Rate | 10 L/min |
| Maximum Vacuum | 0.098 MPa (20 mbar) |
| Dimensions (W×D×H) | 385 × 280 × 420 mm |
| Weight | 9.5 kg |
| Motor Power | 180 W |
| Water Tank Capacity | 15 L |
| Circulating Flow Rate | 7 L/min |
| Pump Flow Rate | 80 L/min |
| Lift Head | 10 m |
| Operating Temperature Range | 5–35 °C |
| Relative Humidity Limit | ≤70% |
| IP Rating | IP20 |
| Pollution Degree | Class 2 |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Circulating Water Vacuum Pump |
| Product Type | Oil-Free Vacuum Pump |
| Ultimate Vacuum | 0.098 MPa (20 mbar) |
| Air Displacement Rate (per port) | 10 L/min |
| Water Flow Rate | 7 L/min |
| Pump Flow Capacity | 80 L/min |
| Max. Lift Head | 10 m |
| Water Tank Volume | 15 L |
| Operating Temperature Range | 5–35 °C |
| Relative Humidity Limit | ≤70% |
| IP Rating | IP20 |
| Pollution Degree | 2 |
| Dimensions (W×D×H) | 385 × 280 × 420 mm |
| Weight | 9.5 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Equipment Category | Domestic |
| Model | SHB-IIIS |
| Instrument Type | Circulating Water Vacuum Pump |
| Product Type | Oil-Free Vacuum Pump |
| Maximum Vacuum | 0.098 MPa |
| Power | 180 W |
| Supply | 220 V~, 50 Hz |
| Circulating Flow Rate | 7 L/min |
| Pump Flow Rate | 80 L/min |
| Single-Head Evacuation Rate | 10 L/min |
| Circulating Head | 10 m |
| Ultimate Pressure | 20 mbar |
| Number of Vacuum Ports | 2 |
| Water Tank Capacity | 15 L |
| Operating Temperature Range | 5–35 °C |
| Relative Humidity Limit | ≤70% |
| IP Rating | IP20 |
| Pollution Degree | Class 2 |
| Dimensions (W×D×H) | 385 × 280 × 420 mm |
| Weight | 9.5 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | SY-10 |
| Instrument Type | Water/Oil Bath Circulator |
| Circulation Mode | Internal & External Circulation |
| Temperature Control | Heating-Only |
| Bath Volume | 10 L |
| Temperature Range | Ambient +5 °C to 200 °C |
| Temperature Stability | ±0.5 °C |
| Pump Material | High-Temperature Stainless Steel Shielded Pump |
| Bath Tank Material | SUS304 Stainless Steel |
| Control System | PID Digital Controller with LED Display |
| Heating Element | ODM-Sourced Industrial-Grade Heater Compliant with GB Standards |
| Structural Design | Vertical Stand with Castor Wheels |
| External Port Fittings | 3/4" Stainless Steel Insulated Quick-Connect Ports |
| Power Supply | 220–240 V, 50 Hz |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SY-100-250 |
| Instrument Type | Water/Oil Bath Circulator |
| Circulation Mode | Internal & External Loop |
| Temperature Control | Heating-Only |
| Bath Volume | 100 L |
| Temperature Range | Ambient +5°C to 250°C |
| Temperature Stability | ±0.5°C |
| Heating Power | 12 kW |
| Circulation Pump Power | 0.75 kW |
| Flow Rate | 75 L/min |
| Maximum Pressure | 1.5 bar |
| Expansion Tank Material | SUS304 Stainless Steel |
| Cooling Coil Material | Oxygen-Free Copper Tube |
| Cooling Coil Inlet/Outlet Port | Φ10 mm |
| External Circulation Port | 3/4" NPT |
| Fill Port Diameter | Φ60 mm |
| Fluid Delivery Piping & Valves | SUS304 |
| Recommended Bath Fluid Volume | 17 L |
| Dimensions (L×W×H) | 940 × 640 × 1585 mm |
| Net Weight | ~185 kg |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | SY-20-160 |
| Instrument Type | Constant-Temperature Bath |
| Circulation Mode | Internal & External Loop |
| Temperature Control | Heating-Only |
| Bath Volume | 20 L |
| Temperature Range | Ambient +5°C to 160°C |
| Temperature Stability | ±0.5°C |
| Cooling Method | External Water-Cooled Heat Exchanger |
| Display | LCD Panel with PID Control |
| Safety Features | Overtemperature Alarm, Overcurrent Protection, Overload Protection |
| System Design | Sealed Closed-Loop Circulation |
| Fluid Refill | Integrated Vent Valve |
| Cooling Water Interface | Dedicated Inlet/Outlet Ports |
| Brand | Great Wall |
|---|---|
| Model | SY-20-160 |
| Temperature Range | +5 °C above ambient to 160 °C |
| Temperature Stability | ±0.5 °C |
| Heating Power | 3 kW |
| Circulation Flow Rate | ≤42 L/min |
| Max. Pressure | 2.8 bar |
| Pump Power | 370 W |
| Heat Transfer Fluid Capacity | 9 L |
| External Cooling Coil | Yes (water-cooled) |
| Protection Functions | Overtemperature, leakage current, thermal overload, overcurrent, phase sequence |
| Power Supply | 220–240 V~, 50 Hz |
| IP Rating | IP20 |
| Pollution Degree | 2 |
| Dimensions (W×D×H) | 430×690×1075 mm |
| Weight | 60 kg |